1 /* $OpenBSD: talk.c,v 1.12 2016/03/08 20:07:46 mestre Exp $ */ 2 /* $NetBSD: talk.c,v 1.3 1994/12/09 02:14:25 jtc Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <err.h> 34 #include <string.h> 35 #include <unistd.h> 36 37 #include "talk.h" 38 #include "talk_ctl.h" 39 40 /* 41 * talk: A visual form of write. Using sockets, a two way 42 * connection is set up between the two people talking. 43 * With the aid of curses, the screen is split into two 44 * windows, and each users text is added to the window, 45 * one character at a time... 46 * 47 * Written by Kipp Hickman 48 * 49 * Modified to run under 4.1a by Clem Cole and Peter Moore 50 * Modified to run between hosts by Peter Moore, 8/19/82 51 * Modified to run under 4.1c by Peter Moore 3/17/83 52 */ 53 54 int 55 main(int argc, char *argv[]) 56 { 57 if (pledge("stdio rpath inet dns getpw tty", NULL) == -1) 58 err(1, "pledge"); 59 60 get_names(argc, argv); 61 init_display(); 62 open_ctl(); 63 open_sockt(); 64 start_msgs(); 65 if (!check_local()) 66 invite_remote(); 67 end_msgs(); 68 set_edit_chars(); 69 70 if (his_machine_addr.s_addr == my_machine_addr.s_addr) { 71 if (pledge("stdio tty", NULL) == -1) 72 err(1, "pledge"); 73 } else { 74 if (pledge("stdio inet tty", NULL) == -1) 75 err(1, "pledge"); 76 } 77 78 talk(); 79 return (0); 80 } 81